Finding the Fourth Proportional to 4,767,916.84, 7,156,370.08 and 1,738,211.02
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Solution
The fourth proportional to 4,767,916.84, 7,156,370.08 and 1,738,211.02 is: 2,608,955.18
Step by Step Solution
- Step 1: Write the proportion equation
4,767,916.84 : 7,156,370.08 = 1,738,211.02 : x - Step 2: Convert to fraction form
4,767,916.84/7,156,370.08 = 1,738,211.02/x - Step 3: Cross multiply
4,767,916.84x = 7,156,370.08 × 1,738,211.02 - Step 4: Simplify right side
4,767,916.84x = 12,439,281,336,254.28 - Step 5: Solve for x
x = 12,439,281,336,254.28/4,767,916.84 - Step 6: Final answer
x = 2,608,955.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.